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Diffstat (limited to 'src/lib/netlist/examples/7400_astable.c')
-rw-r--r--src/lib/netlist/examples/7400_astable.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/src/lib/netlist/examples/7400_astable.c b/src/lib/netlist/examples/7400_astable.c
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+++ b/src/lib/netlist/examples/7400_astable.c
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+// license:CC0-1.0
+// copyright-holders:Couriersud
+/*
+ * 7400_astable.c
+ *
+ */
+
+#include "netlist/devices/net_lib.h"
+
+NETLIST_START(7400_astable)
+{
+
+ /*
+ * Astable multivibrator using two 7400 gates (or inverters)
+ *
+ */
+
+ /* Standard stuff */
+
+ SOLVER(Solver, 48000)
+ PARAM(Solver.ACCURACY, 1e-5)
+
+ // astable NAND Multivibrator ==> f ~ 1.0 / (3 * R * C)
+ RES(R1, 4700)
+ CAP(C1, 0.22e-6)
+ TTL_7400_NAND(n1,R1.1,R1.1)
+ TTL_7400_NAND(n2,R1.2,R1.2)
+ NET_C(n1.Q, R1.2)
+ NET_C(n2.Q, C1.1)
+ NET_C(C1.2, R1.1)
+
+ LOG(logC12, C1.2)
+ LOG(logn1Q, n1.Q)
+ LOG(logn2Q, n2.Q)
+
+}